Up-to-date information about critical issues and the latest advances in network test, measurement, monitoring and service assurance, as well as component/system manufacturing.
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Testing Jitter and Wander in the Field—Is it Necessary?
For the longest time, there has been debate over jitter and wander; do these parameters really need to be tested? This article discusses various aspects of jitter and wander—the theory, the causes, the effects they have on networks, and related field testing.
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O-Band WDM Bandwidth Expansion and Four-Wave Mixing
To test their multiwavelength O-band transmission systems, many MSOs are using channel checkers, which are wavelength-selective power meters. Although this choice is simple and may seem cost-effective, if you want a true picture of the situation, it will require a two-step process.
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Measuring Near-End and Far-End Crosstalk
To ensure QoS, providers must use effective approaches for measuring noise, which greatly affects the desired signal as it passes through the transmission path, resulting in a corrupt signal that can be misinterpreted by the receiver and consequently produces errors in the digital bit stream.
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11/19/2008
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EXFO Adds IPv6 Support to its Ethernet Test Portfolio
QUEBEC CITY, CANADA, November 19, 2008 — EXFO Electro-Optical Engineering Inc. (NASDAQ: EXFO, TSX: EXF) announced today the release of IPv6 (Internet Protocol version 6) testing capabilities for its field-portable FTB-8510B (up to 1 Gbit/s) and FTB-8510G (up to 10 Gbit/s) as well as laboratory IQS-8510B and IQS-8510G Packet Blazer series of test modules.
9/9/2008
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EXFO Enhances IMS/NGN InterWatch R14 Platform
QUEBEC CITY, CANADA, September 9, 2008 — EXFO Electro-Optical Engineering Inc. (NASDAQ: EXFO, TSX: EXF) announced today the release of new software features on the InterWatch R14 platform, the industry’s highest performance and most scalable Internet Protocol Multimedia Subsystem (IMS)/Next-Generation (NGN) test platform.
9/2/2008
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EXFO Extends Leadership in 40G/43G SONET/SDH Testing with Expanded Capabilities on Transport Blazer
QUEBEC CITY, CANADA, September 2, 2008 – EXFO Electro-Optical Engineering Inc. (NASDAQ: EXFO, TSX: EXF) announced today the release of new software features for the Transport Blazer and Power Blazer product lines. This set of advanced features, contained within EXFO’s IQS modules for R&D and software verification groups and FTB modules for network operators, provide the versatility, flexibility and affordability required to validate network restoration times and overall network resilience at rates up to 40/43 Gbit/s.
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EXFO is a leading provider of test and monitoring solutions for network service providers and equipment manufacturers in the global telecommunications industry. The Telecom Division offers a wide range of innovative solutions extending across the full technology lifecycle — from design to technology deployment and onto service assurance — and covering all layers on a network infrastructure to enable triple-play services and next-generation, converged IP networking. The Life Sciences and Industrial Division offers solutions in medical device and opto-electronics assembly, fluorescence microscopy and other life science sectors. For more information, visit
www.EXFO.com.